Webster's Revised Unabridged Dictionary · 1913

Leather

Leather (let"ẽr) , noun

[Old English lether, Anglo-Saxon leeer; akin to Dutch leder, leêr, German leder, Old High German ledar, Icelandic leer, Swedish lader, Danish lader.]

1.
The skin of an animal, or some part of such skin, with the hair removed, and tanned, tawed, or otherwise dressed for use; also, dressed hides, collectively.
2.
The skin. [Ironical or Sportive]

Leather is much used adjectively in the sense of made of, relating to, or like, leather.

Collocations (8)
Leather board , an imitation of sole leather, made of leather scraps, rags, paper, etc.
Leather carp (Zoology) , , a variety of carp in which the scales are all, or nearly all, absent. See Illust. under Carp.
Leather jacket (Zoology) , (a) A California carangoid fish (Oligoplites saurus). (b) A trigger fish (Balistes Carolinensis).
Leather flower (Botany) , a climbing plant (Clematis Viorna) of the Middle and Southern States having thick, leathery sepals of a purplish color.
Leather leaf (Botany) , a low shrub (Cassandra calyculata), growing in Northern swamps, and having evergreen, coriaceous, scurfy leaves.
Leather plant (Botany) , one or more New Zealand plants of the composite genus Celmisia, which have white or buff tomentose leaves.
Leather turtle (Zoology) , See Leatherback.
Vegetable leather , (a) An imitation of leather made of cotton waste. (b) Linen cloth coated with India rubber. — Ure

Leather , transitive verb

To beat, as with a thong of leather. [Obsolete or Colloquial] — G. Eliot

leather , adjective

Of, pertaining to or made of leather; consisting of leather; as, a black leather jacket.